<style>
body {
  margin: 0;
}

.container {
  width: 200px;
  height: 500px;
  outline: 2px solid black;
}

.first {
  position: absolute;
  height: 500px;
  width: 200px;
  background-color: red;
}

.second {
  position: absolute;
  height: 400px;
  width: 200px;
  background-color: blue;
}

.third {
  position: absolute;
  height: 300px;
  width: 200px;
  background-color: pink;
}

.fourth {
  position: absolute;
  height: 200px;
  width: 200px;
  background-color: yellow;
}

.fifth {
  position: absolute;
  height: 100px;
  width: 200px;
  background-color: green;
}
</style>

<div class="container">
  <div class="first">
    <div class="second">
      <div class="third">
        <div class="fourth">
          <div class="fifth"></div>
        </div>
      </div>
    </div>
  </div>
</div>
